Learn why the Excel AGGREGATE function fails with arrays and how to fix value errors using helper columns or dynamic LAMBDA and BYROW formulas.

Abstract: This article proposes a safety-critical control design approach for nonlinear control affine systems in the presence of matched and unmatched uncertainties. Our constructive framework ...

Abstract: Network Function Virtualization (NFV) is essential for ensuring efficient and scalable Internet-of-Things(IoT) networks. However, optimizing resource allocation in an NFV-enabled IoT (NIoT) ...

Learn how to use Excel's new GROUPBY and PIVOTBY functions through five real-world examples, ranging from easy to hard. This ...

Excel remains one of the most important tools in data analysis. Yet most analysts use only a small fraction of its capabilities. Mastering the right functions can speed up reporting, improve accuracy, ...

VLOOKUP, SUMIFS, INDEX... How many Excel functions do you have memorized? "I'm not good with functions, and I always end up using the same ones." I think many people feel that way. Actually, there is ...